<template>
    <div class="back" style="height: 100vh; display: flex; align-items: center; justify-content: center; ">
      <div class="logo">MYSYSTEM</div>
      <div style="display: flex; background-color:aliceblue; width: 55%; border-radius: 5px; overflow: hidden">
        <div style="flex: 1">
          <img src="@/assets/login.png" alt="" style="width: 100%">
        </div>
        <div style="flex: 1; display: flex; align-items: center; justify-content: center">
          <el-form :model="user" style="width: 80%" :rules="rules" ref="loginRef">
            <div style="font-size: 20px; font-weight: bold; text-align: center; margin-bottom: 20px">欢迎登录高校创新创业管理系统</div>
            <el-form-item prop="username">
              <el-input prefix-icon="el-icon-user" size="medium" placeholder="请输入账号" v-model="user.username"></el-input>
            </el-form-item>
            <el-form-item prop="password">
              <el-input prefix-icon="el-icon-lock" size="medium" show-password placeholder="请输入密码" v-model="user.password"></el-input>
            </el-form-item>
            <el-form-item prop="code">
              <div style="display: flex">
                <el-input placeholder="请输入验证码" prefix-icon="el-icon-circle-check" size="medium" style="flex: 1" v-model="user.code"></el-input>
                <div style="flex: 1; height: 36px">
                  <valid-code @update:value="getCode" />
                </div>
              </div>
            </el-form-item>
            <el-form-item>
              <el-button type="primary" style="width: 100%" @click="login">登 录</el-button>
            </el-form-item>
            <div style="display: flex">
              <div style="flex: 1">还没有账号？请 <span style="color: #0f9876; cursor: pointer" @click="$router.push('/register')">注册</span></div>
              <div style="flex: 1; text-align: right"><span style="color: #0f9876; cursor: pointer" @click="handleForgetPass">忘记密码</span></div>
            </div>
          </el-form>
        </div>
      </div>
      <div class="clock">
        <div class="time">{{ time }}</div>
        <div class="date">{{ date }}</div>
      </div>
      <el-dialog title="忘记密码" :visible.sync="forgetPassDialogVis" width="30%">
          <el-form :model="forgetUserForms" label-width="80px" style="padding-right: 20px;">
            <el-form-item label="用户名">
              <el-input v-model="forgetUserForms.username" autocomplete="off" placeholder="请输入用户名"></el-input>
            </el-form-item>
            <el-form-item label="手机号">
              <el-input v-model="forgetUserForms.phone" autocomplete="off" placeholder="请输入手机号"></el-input>
            </el-form-item>
          </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button @click="forgetPassDialogVis = false">取 消</el-button>
          <el-button type="primary" @click="resetPassword">确 定</el-button>
        </div>
      </el-dialog>
  
    </div>
  </template>
  
  <script>
  import ValidCode from "@/components/ValidCode";
  
  export default {
    name: "Login",
    components: {
      ValidCode
    },
    data() {
  
      // 验证码校验
      const validateCode = (rule, value, callback) => {
        if (value === '') {
          callback(new Error('请输入验证码'))
        } else if (value.toLowerCase() !== this.code) {
          callback(new Error('验证码错误'))
        } else {
          callback()
        }
      }
  
      return {
        forgetUserForms:{},  //忘记密码的表单数据
        forgetPassDialogVis:false,
        code: '',  // 验证码组件传递过来的code
        user: {
          code: '',   // 表单里用户输入的code 验证码
          username: '',
          password: ''
        },
        time:"",
        date:"",
        rules: {
          username: [
            { required: true, message: '请输入账号', trigger: 'blur' },
          ],
          password: [
            { required: true, message: '请输入密码', trigger: 'blur' },
          ],
          code: [
            { validator: validateCode, trigger: 'blur' }
          ],
        }
      }
    },
    created() {
  
    },
    mounted(){
      this.$nextTick(()=>{
        setInterval(this.update_clock,1000);  //每秒触发一次这个钩子更新时间
      })
    },
    methods: {
      update_clock:function(e){
        var d=new Date ();
        var year=d.getFullYear();
        // if(year<10){
        //   year="0"+year;
        // }
        var mon=d.getMonth()+1;
        var day=d.getDate();
        var hour=d.getHours();
        var minute=d.getMinutes();
        if(minute<10){
          minute="0"+minute;
        }
        this.time=hour+":"+minute;
        this.date=year+"/"+mon+"/"+day
      },
      handleForgetPass(){  //初始化表单
        this.forgetUserForms={}
        this.forgetPassDialogVis =true
      },
      resetPassword(){
        this.$request.put('/password' ,this.forgetUserForms).then(res=>{
          if(res.code==='200'){
            this.$message.success('重置成功')
            this.forgetPassDialogVis=false
          }else{
            this.$message.error(res.msg)
          }
        })
      },
      getCode(code) {
        this.code = code.toLowerCase()
      },
      login() {
        this.$refs['loginRef'].validate((valid) => {
          if (valid) {
            // 验证通过
            this.$request.post('/login', this.user).then(res => {
              if (res.code === '200') {
                this.$router.push('/home')
                this.$message.success('登录成功')
                localStorage.setItem("honey-user", JSON.stringify(res.data))  // 存储用户数据
              } else {
                this.$message.error(res.msg)
              }
            })
          }
        })
      }
    }
  }
  </script>
  
  <style scoped>
  @keyframes animationmy{
    0%{
      background-color: rgb(243, 237, 239);
    }
    25%{
      background-color: rgb(110, 105, 106);
    }
    50%{
      background-color: rgb(34, 11, 161);
    }
    75%{
      background-color: rgb(158, 4, 158);
    }
    100%{
      background-color: rgb(233, 238, 238);
    }
  }
  .back{
    animation: animationmy 5s linear infinite;
    height: 100vh;
  }
  .logo{
    color: aliceblue;
    font-size: 25px;
    font-weight: 800;
    position: absolute;
    top: 15%;
    left: 10%;
  }
  .clock{
    color: aliceblue;
    position: absolute;
    top: 75%;
    left: 10%;
    text-align: left;
  }
  .time{
    font-size: 70px;
  }
  .date{
    font-size: 35px;
  }
  </style>